Natur- & Geopark Mëllerdall

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The history of the Natur- & Geopark Mëllerdall begins around 245 million years ago, in a sea. Countless particles of sand and others were deposited and solidified into rock. The sea disappeared, and rivers shaped the impressive rocky landscape of the Natur- & Geopark Mëllerdall we see today.

Located on this outstanding geological heritage, a diverse and valuable natural and cultural heritage came into being. The task of the Natur- & Geopark Mëllerdall is to preserve this heritage and to develop the region sustainably. At all times, the central focus of the actions is the people.

Echternach is located in the middle of the Natur- & Geopark, and numerous businesses in the city have been designated as Natur- & Geopark Partners.

You can find more information here: www.naturpark-mellerdall.lu

GEOLOGICAL HIGHLIGHTS

Meander core "Thoull"

Until the last ice age about 25,000 years ago, the Sûre flowed in a large arc, a meander, around the hill called Thoull. The Sûre dug deeper and deeper into the rock, and at some point there was a breakthrough of the meander at its narrowest point, the neck. As a result, the Sûre shortened its course, the former river loop silted up. Dolomite forms the underground in the west of the Thoull, the valley is particularly narrow here. In the east, the faster-weathering marl prevails, a mixture of clay minerals and lime or dolomite. The valley is much wider here. On the Thoull river terraces are formed, which are recognizable by the round gravel. That shows that the Sûre was once on a much higher level and has cut in the rock in the underground.
From Roman times until the 20th century, the mineral spring "Kefferbur" has been used in the southwest of Thoull. Its sulphurous water is said to promote good health. The different geological layers were also used to extract building blocks.
The Thoull can be hiked via the 6.3 km long local circular route E5, which also runs along the lake of Echternach. Parking is possible by the lake.

General information

Meander core "Thoull"

Rue du Gibraltar
L-6441 Echternach
T : +352 72 04 57 1
F : +352 72 75 24
E :
W : http://www.mullerthal.lu
See on the map


Rock formation "Wollefsschlucht"

One of the most spectacular natural monuments of Luxembourg's Little Switzerland is the "Wollefsschlucht" - wolf gorge - near Echternach. The structure and stratification of the Luxembourg sandstone can be seen very well on the rock faces rising up to a height of 50 meters. The gigantic canyon was created when blocks of Luxembourg sandstone separated from the sandstone plateau along valley-parallel crevices. The clayey marl layer under the sandstone accumulates the invading water and lets the sandstone blocks topple and slip into the valley.

At the entrance of the gorge the so-called "Needle of Cleopatra" a high obelisk-like rock needle rises. The gorge got its characteristic name only in 1881 by an excursionist from Trier, earlier it was called "devil’s loophole" - "Däiwelsschoart" in the Echternach dialect. A hidden treasure is said to be in the gorge, and an old legend says that it is guarded by a black dog with sparkling eyes. However, the dog is a haunted count, who is said to have dedicated his soul to the devil. He wanted to own even more gold and silver so that he was turned into a dog. If a child throws a rosary into the crevice, it can not only save the count, but also gets the treasure. Two boys from Echternach, who knew about the legend, even saw the treasure box through the crevice but did not have a consecrated rosary with them. They hurried home to fetch one, but when they returned everything was gone.

The Wollefsschlucht is crossed by Route 2 of the Mullerthal Trail. The path is also local hiking trail E1, Auto-pédestre, national trail "Maurice Cosyn path", Eifel-Ardennes path and NaturWanderPark deluxe tour "Felsenweg 1" at the same time.

General information

Rock formation "Wollefsschlucht"

CR 364
L-6460 Echternach
T : +352 72 04 57 1
F : +352 72 75 24
E :
W : http://www.mullerthal.lu
See on the map